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[Qemu-devel] [PATCH 4/9] sparc64: check for pending irq when pil, pstate
From: |
Igor V. Kovalenko |
Subject: |
[Qemu-devel] [PATCH 4/9] sparc64: check for pending irq when pil, pstate or softint is changed |
Date: |
Wed, 06 Jan 2010 02:19:23 +0300 |
User-agent: |
StGit/0.15 |
From: Igor V. Kovalenko <address@hidden>
Signed-off-by: Igor V. Kovalenko <address@hidden>
---
target-sparc/op_helper.c | 39 ++++++++++++++++++++++++++++++++++++---
1 files changed, 36 insertions(+), 3 deletions(-)
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index a7da0e4..b1978cb 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -3301,6 +3301,12 @@ static inline void change_pstate(uint64_t new_pstate)
void helper_wrpstate(target_ulong new_state)
{
change_pstate(new_state & 0xf3f);
+
+#if !defined(CONFIG_USER_ONLY)
+ if (env->pstate & PS_IE) {
+ cpu_check_irqs(env);
+ }
+#endif
}
void helper_wrpil(target_ulong new_pil)
@@ -3328,6 +3334,14 @@ void helper_done(void)
change_pstate((tsptr->tstate >> 8) & 0xf3f);
PUT_CWP64(env, tsptr->tstate & 0xff);
env->tl--;
+
+ DPRINTF_PSTATE("... helper_done tl=%d\n", env->tl);
+
+#if !defined(CONFIG_USER_ONLY)
+ if (env->pstate & PS_IE) {
+ cpu_check_irqs(env);
+ }
+#endif
}
void helper_retry(void)
@@ -3341,21 +3355,40 @@ void helper_retry(void)
change_pstate((tsptr->tstate >> 8) & 0xf3f);
PUT_CWP64(env, tsptr->tstate & 0xff);
env->tl--;
+
+ DPRINTF_PSTATE("... helper_retry tl=%d\n", env->tl);
+
+#if !defined(CONFIG_USER_ONLY)
+ if (env->pstate & PS_IE) {
+ cpu_check_irqs(env);
+ }
+#endif
+}
+
+static void do_modify_softint(const char* operation, uint32_t value)
+{
+ if (env->softint != value) {
+ env->softint = value;
+ DPRINTF_PSTATE(": %s new %08X\n", operation, env->softint);
+#if !defined(CONFIG_USER_ONLY)
+ cpu_check_irqs(env);
+#endif
+ }
}
void helper_set_softint(uint64_t value)
{
- env->softint |= (uint32_t)value;
+ do_modify_softint("helper_set_softint" , env->softint | (uint32_t)value);
}
void helper_clear_softint(uint64_t value)
{
- env->softint &= (uint32_t)~value;
+ do_modify_softint("helper_clear_softint" , env->softint &
(uint32_t)~value);
}
void helper_write_softint(uint64_t value)
{
- env->softint = (uint32_t)value;
+ do_modify_softint("helper_write_softint", (uint32_t)value);
}
#endif
- [Qemu-devel] [PATCH 0/9] sparc64: tick timers, Igor V. Kovalenko, 2010/01/05
- [Qemu-devel] [PATCH 1/9] sparc64: trace pstate and global register set changes, Igor V. Kovalenko, 2010/01/05
- [Qemu-devel] [PATCH 2/9] sparc64: add PSR and PIL to cpu state dump, Igor V. Kovalenko, 2010/01/05
- [Qemu-devel] [PATCH 3/9] sparc64: use helper_wrpil to check pending irq on write, Igor V. Kovalenko, 2010/01/05
- [Qemu-devel] [PATCH 4/9] sparc64: check for pending irq when pil, pstate or softint is changed,
Igor V. Kovalenko <=
- [Qemu-devel] [PATCH 5/9] sparc64: add macros to deal with softint and timer interrupt, Igor V. Kovalenko, 2010/01/05
- [Qemu-devel] [PATCH 6/9] sparc64: clear exception_index with -1 value, Igor V. Kovalenko, 2010/01/05
[Qemu-devel] [PATCH 7/9] sparc64: move cpu_interrupts_enabled to cpu.h, Igor V. Kovalenko, 2010/01/05
[Qemu-devel] [PATCH 8/9] sparc64: interrupt trap handling, Igor V. Kovalenko, 2010/01/05